BMW 8 Series (G16) (2019) is 81 mm (3.19 inch) longer, 75 mm (2.95 inch) wider and has 134 liters (4.73 ft3) bigger cargo space than Buick LaCrosse (2015).
Buick LaCrosse (2015) is 97 mm (3.82 inch) higher and 190 kg (419 lbs) lighter than BMW 8 Series (G16) (2019).